In comparison, Ian had previously mentioned (in a F22 builders' update email) that the theoretical weight of one float is 112 lbs (51 kg), without paint (he didn't say if it was with or without hatches). Oliver once posted on the F-boat forum, that his float(s) weighed 132 lbs (60kg). So my float is obviously quite the porker. Some partial excuses for this are:
- I was not stingy with the fairing putty, to say the least.
- I put innumerable coats of primer on the float, in my quest for a fair surface.
- My float has 2-3 lbs of wingnet rail on it; Oliver's didn't have this of course, and I doubt Ian accounted it in his 112lb target either.
- This float is constructed almost entirely out of A550 corecell. The bulkheads on both floats are A400 (from my initial purchase of offcuts from Noah's), and the port-half of the port float is also A400. I assume Ian's estimate is for 100% A400. So my A550 probably accounts for at least an extra 5 lbs.
So: 144.8 lbs - well, it could have been better, could have been worse. Of course if I really cared about having a fast boat, I'd get my rear on a treadmill and lose a hundred pounds. :-)
Seriously though, it'd be interesting to hear what other builders have come up with for float weights.
Here's my son, helping me man-handle the floats in and out of the cradles on top of the scales:
Our weather today continued to be wet and cool and I was unable to spray the port float. However, the port float is now hanging in the tent, wiped-down with de-greaser, and only needs a final tack-off to be ready for spraying. Hopefully tomorrow is nicer.